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Water Protection Zone
A Water Protection Zone is a statutory regulation imposed under Schedule 11 to the Water Resources Act 1991. The power was subsequently subsumed into The Water Resources Act (Amendment) (England and Wales) Regulations 2009. The only example in the UK was applied to the River Dee in 1999 as ''The Water Protection Zone (River Dee Catchment) Designation Order 1999'' which covers the whole of the River Dee catchment from the headwaters down to the final potable water abstraction point at Chester The creation of this protection zone gave powers to the then Environment Agency (now Natural Resources Wales) to monitor and control the use and storage of any potentially polluting substance brought into the catchment for any industrial or commercial operation - a controlled activity as defined by the order. All such controlled activities require a permit to be issued and the conditions of the permit are determined by a risk analysis mathematical model involving the nature of the substance, i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
River Dee, Wales
The River Dee ( cy, Afon Dyfrdwy, la, Deva Fluvius) is a river in the United Kingdom. It flows through parts of both Wales and England, forming part of the border between the two countries. The river rises in Snowdonia, Wales, flows east via Chester, England, and discharges to the sea in an estuary between Wales and the Wirral Peninsula in England. It has a total length of . History The River Dee was the traditional boundary of the Kingdom of Gwynedd in Wales for centuries, possibly since its founding in the 5th century. It was recorded in the 13th century (in mainstream Middle English orthography, lacking the letters v and w) as ''flumen Dubr Duiu''; the name appears to derive from the Brythonic ''dēvā'': "River of the Goddess" or "Holy River". The river is personified as the war and fate goddess Aerfen. The river name inspired the name of Roman fortress ''Deva Victrix''. It is the only river in the UK to be subject to a Water Protection Zone along its whole length down ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chester
Chester is a cathedral city and the county town of Cheshire, England. It is located on the River Dee, close to the English–Welsh border. With a population of 79,645 in 2011,"2011 Census results: People and Population Profile: Chester Locality"; downloaded froCheshire West and Chester: Population Profiles, 17 May 2019 it is the most populous settlement of Cheshire West and Chester (a unitary authority which had a population of 329,608 in 2011) and serves as its administrative headquarters. It is also the historic county town of Cheshire and the second-largest settlement in Cheshire after Warrington. Chester was founded in 79 AD as a "castrum" or Roman fort with the name Deva Victrix during the reign of Emperor Vespasian. One of the main army camps in Roman Britain, Deva later became a major civilian settlement. In 689, King Æthelred of Mercia founded the Minster Church of West Mercia, which later became Chester's first cathedral, and the Angles extended and strengthene ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Environment Agency
The Environment Agency (EA) is a non-departmental public body, established in 1996 and sponsored by the United Kingdom government's Department for Environment, Food and Rural Affairs, with responsibilities relating to the protection and enhancement of the environment in England (and until 2013 also Wales). Based in Bristol, the Environment Agency is responsible for flood management, regulating land and water pollution, and conservation. Roles and responsibilities Purpose The Environment Agency's stated purpose is, "to protect or enhance the environment, taken as a whole" so as to promote "the objective of achieving sustainable development" (taken from the Environment Act 1995, section 4). Protection of the environment relates to threats such as flood and pollution. The vision of the agency is of "a rich, healthy and diverse environment for present and future generations". Scope The Environment Agency's remit covers almost the whole of England, about 13 million h ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Natural Resources Wales
Natural Resources Wales ( cy, Cyfoeth Naturiol Cymru) is a Welsh Government sponsored body, which became operational from 1 April 2013, when it took over the management of the natural resources of Wales. It was formed from a merger of the Countryside Council for Wales, Environment Agency Wales, and the Forestry Commission Wales, and also assumed some other roles formerly performed by the Welsh Government. Roles and responsibilities Purpose NRW's purpose is to "pursue sustainable management of natural resources” and “apply the principles of sustainable management of natural resources” as stated in the Environment (Wales) Act 2016. Remit NRW receives a Remit Letter at the start of each financial year setting out what the Welsh Government wants it to achieve during that year. Its main responsibilities are: * Adviser: principal adviser to Welsh Government, and adviser to industry and the wider public and voluntary sector, and communicator about issues relating to the envi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mathematical Model
A mathematical model is a description of a system using mathematical concepts and language. The process of developing a mathematical model is termed mathematical modeling. Mathematical models are used in the natural sciences (such as physics, biology, earth science, chemistry) and engineering disciplines (such as computer science, electrical engineering), as well as in non-physical systems such as the social sciences (such as economics, psychology, sociology, political science). The use of mathematical models to solve problems in business or military operations is a large part of the field of operations research. Mathematical models are also used in music, linguistics, and philosophy (for example, intensively in analytic philosophy). A model may help to explain a system and to study the effects of different components, and to make predictions about behavior. Elements of a mathematical model Mathematical models can take many forms, including dynamical systems, statisti ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
River Wye
The River Wye (; cy, Afon Gwy ) is the Longest rivers of the United Kingdom, fourth-longest river in the UK, stretching some from its source on Plynlimon in mid Wales to the Severn estuary. For much of its length the river forms part of Wales-England border, the border between England and Wales. The Wye Valley (lower part) is designated an Area of Outstanding Natural Beauty. The Wye is important for nature conservation and recreation, but is severely affected by pollution. Etymology The meaning of the river's name is not clear. Possibly the earliest reference to the name is ''Guoy'' in Nennius' early 9th Century ''Historia Brittonum'' and the modern Welsh language, Welsh name is ''Gwy''. The Wye was much later given a Latin name, ''Vaga'', an adjective meaning 'wandering'. The Tithe maps, Tithe map references a Vagas Field in both Whitchurch and Chepstow. Philologists such as Edward Lye and Joseph Bosworth in the 18th and early 19th centuries suggested an Old English derivat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rivers
A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of water. Small rivers can be referred to using names such as creek, brook, rivulet, and rill. There are no official definitions for the generic term river as applied to geographic features, although in some countries or communities a stream is defined by its size. Many names for small rivers are specific to geographic location; examples are "run" in some parts of the United States, "burn" in Scotland and northeast England, and "beck" in northern England. Sometimes a river is defined as being larger than a creek, but not always: the language is vague. Rivers are part of the water cycle. Water generally collects in a river from precipitation through a drainage basin from surface runoff and other sources such as groundwater recharge, springs, a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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